Electronic Control System Description: Notes

The electronic control system consists of various sensors which detect the state of engine and driving conditions, ECM which controls various devices according to the signals from the sensors and various controlled devices referring to ELECTRONIC CONTROL SYSTEM COMPONENTS LOCATION .

Functionally, it is divided into the following sub systems:

• Fuel injection control system
• Ignition control system
• Idle air control system
• Fuel pump control system
• Radiator fan control system
• Evaporative emission control system
• EGR system
• Heated oxygen sensor heater control system
• A/C control system